- Added the necessary infrastructure to serialize and verify the syntax
tree
- Updated ParserVisitor to be overrideable
- Made CSharpVerbatimBlockTest to use baselines
Created internal + public versions of
- BlockKind
- SpanKind
- AcceptedCharacters
That way these types are only exposed through the VS apis and not
through the runtime API surface.
Also deleted RazorEditorParser. Yep. It's going to take significant work
to just port it to the language services assembly. Let's reevaluate this
when we get closer to the next foundational update.